package com.qf.dao.impl;

import com.qf.dao.CartDao;
import com.qf.domain.Cart;
import com.qf.utils.DataSourceUtil;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.List;

public class CartDaoImpl implements CartDao {
    private QueryRunner queryRunner=new QueryRunner(DataSourceUtil.getDataSource());
    @Override
    public void insert(Cart cart) {
        String sql=" INSERT INTO `tb_cart` (`id`,`pid`,`num`,`money`) VALUES (?,?,?,?) ";
        Object[] params={cart.getId(),cart.getPid(),cart.getNum(),cart.getMoney()};
        try {
            queryRunner.update(sql,params);
        } catch (SQLException e) {
            throw  new RuntimeException(e);
        }
    }

    @Override
    public Cart select(Integer uid, int good_id) {
        String sql=" SELECT * FROM `tb_cart` WHERE `id`=? AND `pid`=? ";
        try {
            return queryRunner.query(sql,new BeanHandler<>(Cart.class),uid,good_id);
        } catch (SQLException e) {
            throw  new RuntimeException(e);
        }
    }

    @Override
    public void update(Cart cart) {
        String sql=" update  `tb_cart` set `num`=?,`money`=? where `id`=? and `pid`=? ";
        Object[] params={cart.getNum(),cart.getMoney(),cart.getId(),cart.getPid()};
        try {
            queryRunner.update(sql,params);
        } catch (SQLException e) {
            throw  new RuntimeException(e);
        }

    }

    @Override
    public List<Cart> select(Integer uid) {
        String sql=" SELECT * FROM `tb_cart` WHERE `id`=? ";
        try {
            return queryRunner.query(sql,new BeanListHandler<>(Cart.class),uid);
        } catch (SQLException e) {
            throw  new RuntimeException(e);
        }
    }

    @Override
    public void delete(Integer uid, int goods_id) {
        String sql=" delete from  `tb_cart`  where `id`=? and `pid`=? ";
        try {
            queryRunner.update(sql,uid,goods_id);
        } catch (SQLException e) {
            throw  new RuntimeException(e);
        }
    }

    @Override
    public void deleteAll(Integer uid) {
        //生成订单后修改
        QueryRunner queryRunner1=new QueryRunner();
        Connection connection = DataSourceUtil.getConnection();
        String sql=" delete from  `tb_cart`  where `id`=?  ";
        try {
            queryRunner1.update(connection,sql,uid);
        } catch (SQLException e) {
            throw  new RuntimeException(e);
        }finally {
            DataSourceUtil.closeAll(null,null,connection);
        }
    }
}
